diff --git a/.travis.yml b/.travis.yml
index ec15823..b3b4d43 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,7 @@ python:
   - "3.7"
   - "3.8"
   - "3.9"
-  - "pypy"
+  - "pypy3" # pypy = python 2
 # command to install dependencies
 install:
   - "pip install -e ."